Allergy and immunology (internal medicine) physicians in California

  • Allergy and immunology (internal medicine)
  • California
Allergy and immunology (internal medicine) physicians
77
Linked to a hospital or group
57
Hospitals with an allergy and immunology (internal medicine) physician
33
Medical groups with an allergy and immunology (internal medicine) physician
32
Cities
39

There are 77 allergy and immunology (internal medicine) physicians in California. Southern California Permanente Medical Group has the most, 8, and UCSF Helen Diller Medical Center at Parnassus Heights has the most affiliated allergy and immunology (internal medicine) physicians, 6. San Francisco is home to 12, and 19% finished medical school 30 or more years ago.

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California allergy and immunology (internal medicine) physicians, listed A to Z by last name

Each allergy and immunology (internal medicine) physician on the list has allergy and immunology (internal medicine) as their primary specialty and a California practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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California allergy and immunology (internal medicine) physicians, A to Z
Allergy and immunology (internal medicine) physicianHospitalsMedical groupsEmail and phone
Sam S. Ahn, MDNapa · NPI 15584238143 hospitals1 groupContacts
Sowmya Arja, MDSan Francisco · NPI 1215390166-2 groupsContacts
Anna Juche Chen Arroyo, MDStanford · NPI 12051024722 hospitals2 groupsContacts
Tyler Basen, MDMission Viejo · NPI 1184069692-1 groupContacts
Sheila Marie Bonilla-Tandoc, MD, MSArcadia · NPI 14573878052 hospitals2 groupsContacts
Meng Chen, MDStanford · NPI 14971907142 hospitals2 groupsContacts
Gang Cheng, MDModesto · NPI 16090383551 hospital1 groupContacts
Anna CherianSacramento · NPI 12156727381 hospital1 groupContacts
Erika D. CherkPalo Alto · NPI 1871129882-1 groupContacts
Rebecca Sharon Chinthrajah, MDStanford · NPI 12252351202 hospitals2 groupsContacts
Linda L. Engelstad, MDOakland · NPI 1710997374--Contacts
Andrew Cherner Engler, MDSan Mateo · NPI 1366400384-2 groupsContacts
Arfa Faiz, MDPanorama City · NPI 11143146481 hospital4 groupsContacts
Christopher William Foster, MDSan Diego · NPI 1588710644--Contacts
Warner C. Greene, MD, PhDSan Francisco · NPI 1528403797--Contacts
Frederick Timothy GuilfordLos Altos · NPI 1548345770--Contacts
Rosemary L. Hallett, MDRoseville · NPI 13765278041 hospital2 groupsContacts
Edward Kung Hu, MDPanorama City · NPI 17000451501 hospital1 groupContacts
Polly Huang, MDOakland · NPI 15185936642 hospitals1 groupContacts
Imran Junaid, MDAntioch · NPI 1285801787-3 groupsContacts
Jeremy Elliott Kaslow, MDFountain Valley · NPI 11443055741 hospital1 groupContacts
Ravdeep Kaur, MDPalo Alto · NPI 11345670921 hospital-Contacts
Jay A. Keystone, MDSan Francisco · NPI 1306115001-1 groupContacts
William Berner Klaustermeyer, MDLos Angeles · NPI 1265451165--Contacts
Anna Malgorzata LangSan Francisco · NPI 12355564322 hospitals5 groupsContacts
Jenny Jeeyae Lee, MDOrange · NPI 10830767491 hospital1 groupContacts
Joyce Xiang Wu Lee, MDLos Angeles · NPI 11142431361 hospital1 groupContacts
Christine Joy LicataSacramento · NPI 1437619533-2 groupsContacts
Brian Steven Lipson, MDRedwood City · NPI 1821179391--Contacts
Michael John Main, MDSan Francisco · NPI 1649833005-1 groupContacts
Zahida Khan Maskatia, MDCastro Valley · NPI 1134364250-2 groupsContacts
Purvi Kothari Mehra, MDLa Mesa · NPI 1336280031-1 groupContacts
Robert F. Meth, MDWest Hollywood · NPI 1053387837--Contacts
Christelle Miot, MDLoma Linda · NPI 14871507361 hospital1 groupContacts
Rose Ashley MonahanSan Francisco · NPI 15184612681 hospital4 groupsContacts
Tejal NarsaiLong Beach · NPI 13264023301 hospital1 groupContacts
Andre Elias Nel, MDLos Angeles · NPI 1023037702--Contacts
Joseph T. Nguyen, MDLos Angeles · NPI 1225217425--Contacts
Von Ta Nguyen, MDHarbor City · NPI 11748158151 hospital1 groupContacts
Osman M. Numair, MDMonterey · NPI 1073900106-1 groupContacts
Iris M. Otani, MDSan Francisco · NPI 12859259901 hospital5 groupsContacts
Robert Scott Pace, MDCampbell · NPI 1861404220-4 groupsContacts
Amit I. Patel, MDUpland · NPI 13967345472 hospitals1 groupContacts
Belle Malinit Peralejo, MDStockton · NPI 1104031327-1 groupContacts
Michele Ngoc Pham, MDSan Francisco · NPI 11941693003 hospitals4 groupsContacts
Liza G. Presser Belkin, MDSanta Barbara · NPI 19827090361 hospital-Contacts
Kenneth Quinto, MDNPI 1104073782--Contacts
Bruce Ryhal, MDRoseville · NPI 1902812795--Contacts
Andrew Saxon, MDLos Angeles · NPI 11745433181 hospital-Contacts
Nicholas Scanlon, MDSan Diego · NPI 14770846061 hospital1 groupContacts

Showing 1 to 50 of 70 California allergy and immunology (internal medicine) physicians

The list shows the 70 allergy and immunology (internal medicine) physicians with a public profile. The other 7 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

For health IT teams

Find California allergy and immunology (internal medicine) physicians by the EHR they use

Dmand AI has the EHR for 65 of 77 California allergy and immunology (internal medicine) physicians, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Southern California Permanente Medical Group has the most allergy and immunology (internal medicine) physicians in California, with 8

UCSF Medical Group is second with 7, and UCSF Pediatrics third with 7. Counts are allergy and immunology (internal medicine) physicians with a California address linked to each group.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

UCSF Helen Diller Medical Center at Parnassus Heights has the most affiliated allergy and immunology (internal medicine) physicians in California, with 6

Stanford Hospital at 300 Pasteur Drive is second with 4, and Hillcrest Medical Center third with 2. California allergy and immunology (internal medicine) physicians are affiliated with 33 hospitals in all.

Hospitals with the most allergy and immunology (internal medicine) physicians in California
#HospitalHealth systemAllergy and immunology (internal medicine) physicians
1UCSF Helen Diller Medical Center at Parnassus HeightsSan FranciscoUniversity of California Health6
2Stanford Hospital at 300 Pasteur DriveStanfordStanford University4
3Hillcrest Medical CenterSan DiegoUniversity of California Health2
4Panorama City Medical CenterPanorama CityKaiser Permanente2
5UCI Health - OrangeOrangeUC Irvine2
6UC Davis Medical CenterSacramentoUniversity of California Health2
7Mills-Peninsula Medical CenterBurlingameSutter Health1
8Providence Queen of the Valley Medical CenterNapaProvidence1
9Olive View-UCLA Medical CenterSylmarCounty of Los Angeles1
10Sonoma Valley HospitalSonomaSonoma Valley Hospital1

Top 10 of 33 California hospitals with an affiliated allergy and immunology (internal medicine) physicianAll 417 California hospitals

See every hospital and group for each California allergy and immunology (internal medicine) physician

Each public profile names one place an allergy and immunology (internal medicine) physician practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

San Francisco has the most allergy and immunology (internal medicine) physicians in California, with 12

12allergy and immunology (internal medicine) physicians in San Francisco
8allergy and immunology (internal medicine) physicians in Los Angeles
5allergy and immunology (internal medicine) physicians in Stanford
4allergy and immunology (internal medicine) physicians in Oakland
4allergy and immunology (internal medicine) physicians in Sacramento
3allergy and immunology (internal medicine) physicians in San Diego

Allergy and immunology (internal medicine) physicians practice in 39 California cities. Every city with 10 or more has its own page.

Source: NPPES NPI Registry (CMS)

Most California allergy and immunology (internal medicine) physicians practice at a hospital: 38 of the 57 with a mapped site

37 also practice at a medical group site, and 6 at physician offices. An allergy and immunology (internal medicine) physician can practice at several kinds of site, so the shares overlap.

California allergy and immunology (internal medicine) physicians by site of care

  1. Hospitals38
  2. Medical group practices37
  3. Physician offices6
  4. Ambulatory surgery centers4
  5. Breast imaging centers2

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

19% of California allergy and immunology (internal medicine) physicians finished medical school 30 or more years ago

10 of the 52 California allergy and immunology (internal medicine) physicians with a graduation year on file. 10 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago10
  2. 10 to 19 years ago23
  3. 20 to 29 years ago9
  4. 30 to 39 years ago4
  5. 40 or more years ago6

Source: Dmand AI Professional Profile Data

Every California allergy and immunology (internal medicine) physician profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the California allergy and immunology (internal medicine) physician directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Allergy and immunology (internal medicine) physicians are HCPs whose primary specialty is allergy and immunology (internal medicine) (taxonomy code 207RA0201X), with an active NPI and a California practice address.

FAQ

Frequently asked questions about allergy and immunology (internal medicine) physicians in California

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many allergy and immunology (internal medicine) physicians are in California?

77 allergy and immunology (internal medicine) physicians have an active NPI, a California practice address and allergy and immunology (internal medicine) (taxonomy code 207RA0201X) as their primary specialty. 57 of them are linked to a hospital or medical group.

Which California medical groups have the most allergy and immunology (internal medicine) physicians?

Southern California Permanente Medical Group, with 8, followed by UCSF Medical Group with 7 and UCSF Pediatrics with 7.

Which California hospitals have the most allergy and immunology (internal medicine) physicians?

UCSF Helen Diller Medical Center at Parnassus Heights, with 6 affiliated allergy and immunology (internal medicine) physicians, followed by Stanford Hospital at 300 Pasteur Drive with 4 and Hillcrest Medical Center with 2.

Which California cities have the most allergy and immunology (internal medicine) physicians?

San Francisco, with 12, followed by Los Angeles (8) and Stanford (5). Allergy and immunology (internal medicine) physicians practice in 39 California cities in all.

How many California allergy and immunology (internal medicine) physicians finished medical school 30 or more years ago?

10 of the 52 with a graduation year on file, or 19%. 10 graduated in the last 10 years.

What is the taxonomy code for allergy and immunology (internal medicine)?

207RA0201X is the NPPES taxonomy code for allergy and immunology (internal medicine). Sub-specialties with their own code are counted on their own lists.

Dmand AI

Find the right contacts among California allergy and immunology (internal medicine) physicians

Search 77 California allergy and immunology (internal medicine) physicians by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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